Seiko Cal. 4537 - 669

Released in 1979, the Cal. 4537 with design code 669 was part of Seiko's domestic market collection. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-df0083bd882d]

Also known as: Flighty

Specifications

Movement

Solar

Case Material

Titanium

Case Width

35mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1979

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